# Mechanical Sound ID vs Top Driver.

The clearest difference is in-app purchases: Mechanical Sound ID at none against Top Driver.'s 2. Mechanical Sound ID also leads on device support (3 vs 1) and iOS requirement (15.8.3 vs 17). Top Driver.'s advantage is ads (none vs shown). On price there is nothing between them.

Both are free to download. Top Driver. sells 2 in-app purchases, starting at $1.99 per month. Mechanical Sound ID asks for nothing beyond the download.

## The numbers

| Metric | Mechanical Sound ID | Top Driver. |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Fortnightly | — |
| Size | 36 MB | 16 MB |
| Requires iOS | **15.8.3** | 17 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 12+ |
| Developer | [Hideaki Uchikoshi](https://appshunter.io/developer/1559575002) | [Yan Zhao](https://appshunter.io/developer/1887015520) |

## What reviewers say

### Mechanical Sound ID

[App page](https://appshunter.io/ios/app/mechanical-sound-id/id6738972003)

**Features:** macOS Compatibility

**In-app purchases:** none


### Top Driver.

[App page](https://appshunter.io/ios/app/top-driver/id6760957005)

**Features:** Family Sharing

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Premium | $1.99 | per month |
| Yearly Premium | $12.99 | per year |


## Frequently asked questions

### Is Mechanical Sound ID free?

Mechanical Sound ID is free to download, with no in-app purchases.

### Is Top Driver. free?

Top Driver. is free to download, with in-app purchases available.

### Do Mechanical Sound ID or Top Driver. have ads?

Mechanical Sound ID shows ads; Top Driver. does not.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*